function jump(wohin) {
         location.href=wohin;
}

function Senden() {
         document.forms[0].submit();
}
function ClickReturn () {
        var bAgent = window.navigator.userAgent;
        var bAppName = window.navigator.appName;
        if ((bAppName.indexOf("Explorer") >= 0) && (bAgent.indexOf("Mozilla/3") >= 0) && (bAgent.indexOf("Mac") >= 0))
                return true; // dont follow link
        else return false; // dont follow link
}